Date: Thu, 08 Jan 2015 09:51:20 -0700 From: Sean Bruno <sbruno@ignoranthack.me> To: freebsd-current@freebsd.org Subject: Re: Haswell CPU Feature Message-ID: <54AEB588.7010109@ignoranthack.me> In-Reply-To: <54ABF5A0.7020709@FreeBSD.org> References: <54AB306F.2070509@ignoranthack.me> <CAFgRE9Fg=YtoOXD3P2b_w9-rF4QCrMqWxqa2SGLLN-Gx00koVQ@mail.gmail.com> <54AB394E.5040601@ignoranthack.me> <CA%2BK5SrPBn5DCVseMJYneL04y-QBmNmfxf8gXr9P6zicwC4g5uw@mail.gmail.com> <54AB49C2.9020005@ignoranthack.me> <CAFgRE9GOMHs=Wj0Yt0Q08bPd2Dk7apkhS4otVzBk3zN6m4xaLg@mail.gmail.com> <CAHNYxxO0ZV5iF243PqbXEeDZiix4AFR2vzBUUd77%2BE1tXV5Uxw@mail.gmail.com> <54ABF5A0.7020709@FreeBSD.org>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 01/06/15 07:48, John Baldwin wrote: > On 1/6/15 12:44 AM, Jia-Shiun Li wrote: >> On Tue, Jan 6, 2015 at 1:23 PM, Neel Natu <neelnatu@gmail.com> >> wrote: >> >>> Hi Sean, >>> >>> On Mon, Jan 5, 2015 at 6:34 PM, Sean Bruno >>> <sbruno@ignoranthack.me> wrote: >>>> I'm thinking something like this: >>>> >>>> Index: sys/x86/x86/identcpu.c >>>> =================================================================== >>>> >>>> - - --- sys/x86/x86/identcpu.c (revision 276729) >>>> +++ sys/x86/x86/identcpu.c (working copy) @@ -781,7 >>>> +781,7 @@ "\011TM2" /* Thermal Monitor 2 */ "\012SSSE3" >>>> /* SSSE3 */ "\013CNXT-ID" /* L1 context ID >>> available */ >>>> - - "\014<b11>" + >>>> "\014SDBG" /* IA32_DEBUG_INTERFACE >>> debug*/ >>>> "\015FMA" /* Fused Multiply Add */ "\016CX16" /* >>>> CMPXCHG16B >>> Instruction */ >>>> "\017xTPR" /* Send Task Priority >>> Messages*/ >>>> >>>> >>> >>> Looks good. >>> >> >> Maybe also this for completeness? >> >> # svnlite diff Index: sys/x86/include/specialreg.h >> =================================================================== >> >> - --- sys/x86/include/specialreg.h (revision 276737) >> +++ sys/x86/include/specialreg.h (working copy) @@ -154,6 >> +154,7 @@ #define CPUID2_TM2 0x00000100 #define >> CPUID2_SSSE3 0x00000200 #define CPUID2_CNXTID >> 0x00000400 +#define CPUID2_SDBG 0x00000800 #define >> CPUID2_FMA 0x00001000 #define CPUID2_CX16 >> 0x00002000 #define CPUID2_XTPR 0x00004000 > > Yes, please include both. SDBG matches the label in the Intel SDM, > so that's the preferred name. > Thanks folks, I've committed all of this to head after a quick download and read of the SDM. sean -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQF8BAEBCgBmBQJUrrWGXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRCQUFENDYzMkU3MTIxREU4RDIwOTk3REQx MjAxRUZDQTFFNzI3RTY0AAoJEBIB78oecn5kvBEH/0XgaqmdXENMYYnq18nBdSrt lEs8qJuZXwvJPJbKxYLXrL6UFp4Yprw+Z4I6aeJp0zXmQP3Kv6yT+yd/ATYt7E5t rf6ytd/qStLaq2FZu4rNQdePVWyMA4qXT0dINMChA0SishDef80WSY2J8LA7sExV EyuD+nBmpr8/oB3UImAbihK2/YGcdi7FEjJe1hWtzcBAp655A5I5fakxDwsQz4iE kqKaCMT50ib9D4G4JicWx1L72hcOAPWpvj9oOplHzp89ZtkuLSrWeKfKX4GriWEY gg6jcKSds6TYCs/3wuMM63YaimJ1wZbpGhvb09at1DPFT8CamqhMspAe70yr5a8= =KAfi -----END PGP SIGNATURE-----
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